3, cardiac cachexia, cardiac insufficiency of grade -IV, the standard weight of 85%, hepatomegaly, ascites, cardiothoracic ratio above 0.80. Liver, kidney, lung and other organs of more than moderate dysfunction, immune dysfunction, coagulation disorders, extreme malnutrition. In this case, the operation should depend on the specific circumstances of the patient. Careful preoperative preparation, the effect is good, can be carefully selected surgery. Medical treatment should not give up the formal treatment. However, patients with acute left ventricular enlargement should be prepared for short-term or emergency surgery. Such surgery has a higher mortality rate. Prepared by the heart hospital, myocardial protection, is expected to reduce mortality.